222202210231 has 4 divisors (see below), whose sum is σ = 222489665352. Its totient is φ = 221914755112.

The previous prime is 222202210193. The next prime is 222202210259. The reversal of 222202210231 is 132012202222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222202210231 is a prime.

It is a super-2 number, since 2×222202210231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222202210199 and 222202210208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202210271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143726401 + ... + 143727946.

It is an arithmetic number, because the mean of its divisors is an integer number (55622416338).

Almost surely, 2^222202210231 is an apocalyptic number.

222202210231 is a deficient number, since it is larger than the sum of its proper divisors (287455121).

222202210231 is an equidigital number, since it uses as much as digits as its factorization.

222202210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287455120.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222202210231 its reverse (132012202222), we get a palindrome (354214412453).

The spelling of 222202210231 in words is "two hundred twenty-two billion, two hundred two million, two hundred ten thousand, two hundred thirty-one".